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jok3333 [9.3K]
2 years ago
8

Which of the following required a protein channel (carrier) to allow molecules to cross the cell membrane (plasma membrane)? (Hi

nt: multiple answers)
A. facilitated diffusion
B. osmosis
C. active transport
D. diffusion
Biology
1 answer:
Reptile [31]2 years ago
4 0

Answer:

the answer would be c

Explanation:

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in 6-8 sentences, explain how stream volume and speed affect the size, shape and flow of streams and rivers.
sukhopar [10]

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To quantify how the speed of stream, we use the quantity, discharge in hydrology;

 Discharge is the volumetric rate of water flow past a point at a particular time.

  Discharge = \frac{volume of water}{time}

  • We see that discharge is directly proportional to the volume of water in a stream.
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